
TABLE OF CONTENTS
0463 714 001 © ESAB AB 2023
READ THIS FIRST.................................................................................... 4
BEFORE STARTING SERVICE ............................................................... 6
Service aid .............................................................................................. 6
ESAB tools.............................................................................................. 6
Recommended measuring devices ...................................................... 6
INTRODUCTION....................................................................................... 7
Design structure of the power source.................................................. 7
Welding equipment ................................................................................ 8
Installation of MMA................................................................................. 12
ERROR CODES/ERROR DESCRIPTIONS IN THE SERVICE LOG ....... 15
Error code descriptions and service technician actions.................... 15
WIRING DIAGRAM................................................................................... 16
ES 150i, ES 180i...................................................................................... 18
ES 130i Pro, ES 180i Pro, ES 200i Pro .................................................. 19
ET 180i..................................................................................................... 21
ET 200iP .................................................................................................. 22
ET 200iP Pro ........................................................................................... 23
Components description ....................................................................... 24
ES 150i, ES 180i .................................................................................. 24
ES 130i Pro, ES 180i Pro, ES 200i Pro................................................ 28
ET 180i, ET 200iP, ET 200iP Pro ......................................................... 33
TECHNICAL DATA ................................................................................... 34
ES 150i, ES 180i...................................................................................... 34
ES 130i Pro.............................................................................................. 35
ES 180i Pro, ES 200i Pro........................................................................ 36
ET 180i..................................................................................................... 38
ET 200iP .................................................................................................. 40
ET 200iP Pro ........................................................................................... 41
PANEL OPERATION INSTRUCTIONS .................................................... 43
Power source output high current regulation ..................................... 43
Hidden functions .................................................................................... 43
VRD ON and OFF.................................................................................... 44
TROUBLESHOOTING.............................................................................. 45
Fault tracing............................................................................................ 45
Visual Inspection.................................................................................... 45
Components testing............................................................................... 45
Restoring the power source after pre power up checks .................... 47
Power up checks .................................................................................... 47
Advanced measurements...................................................................... 53
IN-SERVICE INSPECTION AND TESTING.............................................. 56